[PHP-NOTES] note 130286 added to function.strftime

Some formats can be replaced with the `date` function, for example:

    strftime("%Y-%m-%d", $time);

can be replaced with

    date("Y-m-d", $time);
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Manual Page -- https://php.net/manual/en/function.strftime.php
Edit        -- https://main.php.net/note/edit/130286
Del: integrated  -- https://main.php.net/note/delete/130286/integrated
Del: useless     -- https://main.php.net/note/delete/130286/useless
Del: bad code    -- https://main.php.net/note/delete/130286/bad+code
Del: spam        -- https://main.php.net/note/delete/130286/spam
Del: non-english -- https://main.php.net/note/delete/130286/non-english
Del: in docs     -- https://main.php.net/note/delete/130286/in+docs
Del: other reasons-- https://main.php.net/note/delete/130286
Reject      -- https://main.php.net/note/reject/130286
Search      -- https://main.php.net/manage/user-notes.php